US3237234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven cup brush
Assignee: PPG Industries Inc
•
Filing: 1963-07-24
•
Granted: 1966-03-01
•
Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Tilgner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:44
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/06; A46B7/08; Y; Y10; Y10S; Y10S15/00; Y10S15/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A POWER-DRIVEN CYLINDRICAL BRUSH COMPRISING A CUPTYPE HOLDER AND FILL MATERIAL EXTENDING THEREFROM, SAID FILL MATERIAL CONSISTING ESSENTIALLY OF A WOVEN WIRE FABRIC COILED ABOUT A CENTRAL AXIS IN SUCH A MANNER AS TO PREVENT WIRE ENDS AS ABRADING ELEMENTS AND BEING SECURED IN SAID HOLDER BY MEANS OF A PLASTIC MEDIUM, SAID PLASTIC MEDIUM EMBEDDING SAID WOVEN WIRE FABRIC AT LEAST TO THE TOP OF SAID HOLDER.
Claim 2
Dependent Claim
68 words
A POWER-DRIVEN CYLINDRICAL BRUSH COMPRISING A CUPTYPE HOLDER AND FILL MATERIAL EXTENDING THEREFROM, SAID FILL MATERIAL CONSISTING ESSENTIALLY OF A WOVEN WIRE FABRIC COILED ABOUT A CENTRAL AXIS IN SUCH A MANNER AS TO PREVENT WIRE ENDS AS ABRADING ELEMENTS AND BEING SECURED IN SAID HOLDER BY MEANS OF A PLASTIC MEDIUM, SAID PLASTIC MEDIUM EMBEDDING SAID WOVEN WIRE FABRIC AT LEAST TO THE TOP OF SAID HOLDER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |